Validness
n. 正确；有效
🗣️ 情景例句
What are some of the other sports products you're making?
你们现在还生产哪些运动产品？
To play the guitar
弹吉他
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。